Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Caitlyn Marie Mackall, LMSW

Clinical Social Worker in Catonsville, MD · enumerated 2024.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1174356885

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Registry record

Entity type Individual (Type 1)

Name Caitlyn Marie Mackall

Credential LMSW

Sex Female

Practice address 139 Garden Ridge Rd, Catonsville, MD, 21228

Phone (410) 733-2299

Enumeration date Aug 20, 2024

Last updated in NPPES Aug 20, 2024

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 31556 (MD) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Caitlyn Mackall practice?

The practice location on file with NPPES is in Catonsville, MD. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Caitlyn Mackall?

The National Provider Identifier (NPI) for Caitlyn Mackall is 1174356885, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-20.